Table 



A-2. Sediment description from cores in Long Island Sound. — Continued 



Core No. 



Water depth 



Internal 



Description 





(ft) 



(ft 







68 



101 



to 



2 



Brown (2.5Y 5/2), clean medium to coarse sand 







2 to 



4 



Gray (5Y 6/2) silty fine sand 







4 to 



5.6 



Gray (5Y 7/2) silt 



69 



35 



to 



8.9 



Gray (5Y 6/2) silt, organic material at top 



70 



34 



to 



9.5 



Gray (5Y 6/2), slightly silty medium to very coarse 

 sand with small pebbles 



71 



72 



to 



1.5 



Brown (2.5Y 5/4) medium to coarse sand 







1.5 to 



12.5 



Gray (5Y 6/2) fine sand, fining downward to gray silt 



72 



47 



to 



2 



Gray (2.5Y 6/2) fine to medium sand with broken shells 

 and small pebbles 







2 to 



7.5 



Grayish white (2.5Y 8/2), clean fiue to medium quartz 

 sand 



73 



61 



to 



5.7 



Gray (5Y 7/2) silt 







5.7 to 



6.8 



Grayish white (5Y 8/2), clean fine to medium sand 



74 



25 



to 



8 



Light gray (5Y 7/2) medium to coarse sand with small 

 quartz pebbles 







8 to 



13.4 



Brown (10YR 8/3) fine to coarse sand with small 

 pebbles 8 to 11 ft, becoming fine with depth 



75 



23 



to 



12.7 



Grayish white (5Y 8/2), very clean quartz, fine 

 to medium sand 



76 



40 



to 



5.5 



Gray (5Y 5/3) silty medium sand 







5.5 to 



11.5 



Gray (5Y 6/1) medium to very coarse sand with 

 small pebbles 



77 



65 



to 



4.5 



Gray (5Y 7/1) silt 







4.5 to 



8.9 



Light gray (5Y 7/2), clean medium sand 



78 



27 



to 



1.5 



Gray (5Y 6/1) silty medium sand 







1.5 to 



4 



Gray (5Y 6/2) medium to very coarse sand 







4 to 



6 



Gray (5Y 6/2) coarse sand 



- — ■ 





6 to 



8.9 



Brown (10YR 8/3), poorly sorted fine to very coarse 

 sand with _<1.25-in-diam pebbles 



